![]() ![]() In the context of telecommunication, a headset is a combination of headphone and microphone. A third type are bone conduction headphones, which typically wrap around the back of the head and rest in front of the ear canal, leaving the ear canal open. ![]() Another type, known as earbuds or earpieces consist of individual units that plug into the user's ear canal. Circumaural ('around the ear') and supra-aural ('over the ear') headphones use a band over the top of the head to hold the speakers in place. Headphones are also known as earspeakers, earphones or, colloquially, cans. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby to hear. ![]() ![]() They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. ![]()
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